WN1146

WN1146 (Southwest Airlines) is a multi-stop service on 48 routes, busiest Phoenix to Las Vegas. Of 828 departures recorded from October 2024 to July 2026, 73.0% left on time, according to the US BTS.

Recorded departures by month

All legs under this number combined; see the leg table.

The most recent periods19 periods
PeriodDepartures 2025Departures 2026Change vs last year
January7247▼ 34.7%
February5936▼ 39.0%
March3929▼ 25.6%
April3216▼ 50.0%
May3013▼ 56.7%
June2748▲ 77.8%
July2755▲ 103.7%
August41––
September43––
October28–in progress
November31––
December38––
Year to date (Jan–Jul)286244▼ 14.7%

according to the US BTS · October 2024 → July 2026

On-time departures by month

All legs combined

On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.

The most recent periods19 periods
PeriodOn time 2025On time 2026Change vs last year
January83.1%76.1%▼ 8.4%
February81.4%75.0%▼ 7.8%
March66.7%78.6%▲ 17.8%
April90.6%68.8%▼ 24.1%
May100.0%23.1%▼ 76.9%
June59.3%48.9%▼ 17.4%
July69.2%50.0%▼ 27.8%
August46.3%––
September65.1%––
October82.1%–in progress
November80.7%––
December84.2%––
Year-to-date average (Jan–Jul)78.6%60.1%▼ 23.6%

according to the US BTS · October 2024 → July 2026

Average departure delay by month

All legs combined

according to the US BTS · October 2024 → July 2026

Cancelled departures by month

All legs combined
The most recent periods19 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January110.0%
February00–
March01–
April00–
May00–
June01–
July110.0%
August0––
September0––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)24▲ 100.0%

according to the US BTS · October 2024 → July 2026

This is not a forecast

This is a historical record of departures already flown, not a forecast for your flight.

This number flies several legs

Several legs: the headline figure averages all of them. See the leg table.

Cancellation share

  • Not cancelled 99.3% 822
  • Cancelled 0.7% 6

Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 31, 2026

On time, leg by leg

  1. PHX–LAS47 87.2%
  2. PIT–BWI42 75.6%
  3. MDW–PHX42 100.0%
  4. BNA–AUS42 59.5%
  5. OMA–LAS40 70.0%
  6. AMA–DAL34 66.7%
  7. CLT–BWI30 70.0%

Departures within 15 minutes of schedule; small figure = departures recorded.

Legs flown under this number

7
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 34 34 85.3% 0
November 2024 47 47 91.5% 0
December 2024 36 36 75.0% 0
January 2025 72 71 83.1% 1
February 2025 59 59 81.4% 0
March 2025 39 39 66.7% 0
April 2025 32 32 90.6% 0
May 2025 30 30 100.0% 0
June 2025 27 27 59.3% 0
July 2025 27 26 69.2% 1
August 2025 41 41 46.3% 0
September 2025 43 43 65.1% 0
October 2025 28 28 82.1% 0
November 2025 31 31 80.7% 0
December 2025 38 38 84.2% 0
January 2026 47 46 76.1% 1
February 2026 36 36 75.0% 0
March 2026 29 28 78.6% 1
April 2026 16 16 68.8% 0
May 2026 13 13 23.1% 0
June 2026 48 47 48.9% 1
July 2026 55 54 50.0% 1

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